class X:
	func foo(z):
		var x
		x = 1
		x += 1
		x **= 2
		z[[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]] = [
			1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
		]
